Environmental activism

Environmental activists around the globe are being killed as they struggle to protect fragile ecosystems. From Brazil to Congo, the Philippines to Tanzania, the toll is heaviest in countries beset by corruption and weak enforcement, where entrenched government and business elites break laws with impunity.

University courses on global warming have become common, and Prof. Stephanie LeMenager’s new class here at the University of Oregon has all the expected, alarming elements: rising oceans, displaced populations, political conflict, endangered animals.

“If You See Something, Say Something,” is the headline on a Sunday Op-Ed article by Michael E. Mann, the Penn State climate scientist who, after years of attacks from groups fighting restrictions on greenhouse gases, has become a prominent climate and political campaigner, as well.